Home / 29,188.78-40,278.23-16,441.40

Finding the Fourth Proportional to 29,188.78, 40,278.23 and 16,441.40

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Solution

The fourth proportional to 29,188.78, 40,278.23 and 16,441.40 is: 22,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.78 : 40,278.23 = 16,441.40 : x
  2. Step 2: Convert to fraction form
    29,188.78/40,278.23 = 16,441.40/x
  3. Step 3: Cross multiply
    29,188.78x = 40,278.23 × 16,441.40
  4. Step 4: Simplify right side
    29,188.78x = 662,230,570.87
  5. Step 5: Solve for x
    x = 662,230,570.87/29,188.78
  6. Step 6: Final answer
    x = 22,687.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.